<!DOCTYPE html>
<html lang="en">
    <head>
        <meta charset="UTF-8" />
        <meta name="viewport" content="width=device-width, initial-scale=1.0" />
        <title>flex</title>
    </head>
    <body>
        <div style="display: flex; justify-content: space-between;">
            <div style="width: 50px; height: 50px; background: red"></div>
            <div style="width: 150px; height: 150px; background: green"></div>
            <div style="width: 100px; height: 100px; background: orange"></div>
        </div>
    </body>
</html>
